package com.sky.controller.admin;

import com.sky.constant.MessageConstant;
import com.sky.result.Result;
import com.sky.utils.AliOssUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.UUID;

/**
 * 通用接口
 */
@RestController
@RequestMapping("/admin/common")
@Slf4j
@Api(tags = "通用接口")
public class CommonController {

    @Autowired
    private AliOssUtil aliOssUtil;

    @PostMapping("/upload")
    @ApiOperation("文件上传")
    public Result<String> upload(MultipartFile file){
        log.info("文件上传,参数为：{}", file);
        try {
            //获取原始文件名
            String originalFilename = file.getOriginalFilename();
            if(originalFilename != null) {
                //获取将要上传文件后缀
                String extension = originalFilename.substring(originalFilename.lastIndexOf("."));
                //拼接成新的文件名（转换成UUID格式的文件名）
                String objectName = UUID.randomUUID().toString() + extension;
                //将文件交给阿里OSS做存储管理
                String url = aliOssUtil.upload(file.getBytes(), objectName);
                log.info("文件上传成功，返回的url为：{}", url);
                return Result.success(url);
            }else {
                return Result.error("文件名不存在");
            }
        }catch  (IOException e) {
            log.error("文件上传失败：{}", e.getMessage());
            return Result.error("上传失败");
        }
    }

}
